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I have noticed on my stereo speaker wire that had clear insulation, something seems to turn the copper wire inside green over time. I know that copper can get a green patina as it oxidizes, so this seems like a chemical reaction caused by the chemicals in the clear insulation. I prefer to use what is called marine or “boat wire” instead of automotive wire because the copper strands are pre-tinned, which not only is easier to solder, but the tinning seems to reduce oxidation. This kind of wire is a bit more expensive, but it’s cheaper than replacing the wire in a year or two because it corroded.

Bill in FtL

 

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OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
800-980-OGRR (6477)
www.ogaugerr.com

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